Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W6CSN callsign genealogy
Currently held by LEZCHUK, WILLIAM T
The FCC publishes a previous_call_sign on
every amateur license — a self-link to the licensee's prior callsign.
Following those links produces the chain below.
Previous callsigns
Older callsigns held by W6CSN's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held W6CSN.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W6CSN, oldest first.
- LEZCHUK, WILLIAM T CA1998-02-03 → cancelled 1998-03-24
- Bye, Matthew A CA2019-04-20 active